2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.openflowplugin.api.openflow.statistics;
11 import com.google.common.base.Optional;
12 import com.google.common.util.concurrent.ListenableFuture;
13 import io.netty.util.Timeout;
14 import org.opendaylight.openflowplugin.api.openflow.OFPContext;
15 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
16 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
17 import org.opendaylight.openflowplugin.api.openflow.rpc.listener.ItemLifecycleListener;
20 * Context for statistics
22 public interface StatisticsContext extends RequestContextStack, AutoCloseable, OFPContext {
24 ListenableFuture<Boolean> gatherDynamicData();
27 * Method has to be called from DeviceInitialization Method, otherwise
28 * we are not able to poll anything. Statistics Context normally initialize
29 * this part by initialization process but we don't have this information
30 * in initialization phase and we have to populate whole list after every
31 * device future collecting. Because device future collecting set DeviceState
32 * and we creating marks for the correct kind of stats from DeviceState.
34 void statListForCollectingInitialization();
37 * @param pollTimeout handle to nearest scheduled statistics poll
39 void setPollTimeout(Timeout pollTimeout);
42 * @return handle to currently scheduled statistics polling
44 Optional<Timeout> getPollTimeout();
47 * @return dedicated item life cycle change listener (per device)
49 ItemLifecycleListener getItemLifeCycleListener();
52 * Statistics Context has to be able to return own DeviceCtx
53 * @return {@link DeviceContext}
55 DeviceContext getDeviceContext();
60 void setSchedulingEnabled(boolean schedulingEnabled);
61 boolean isSchedulingEnabled();